Is RX Nut Butter Whole30® friendly? Plain Almond Butter and Vanilla Almond Butter are Whole30® friendly. To purchase these two RX Nut Butter flavors, shop here. Related articles Are RXBARs Whole30® friendly? Is RX Nut Butter keto-friendly? What is the sodium content in RX A.M. Oats? Is RX Nut Butter paleo-friendly? What are the natural flavors in RXBAR products?